| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef AnimationPlayer_h |
| #define AnimationPlayer_h |
| |
| #include "core/animation/TimedItem.h" |
| #include "core/events/EventTarget.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace WebCore { |
| |
| class DocumentTimeline; |
| class ExceptionState; |
| |
| class AnimationPlayer FINAL : public RefCounted<AnimationPlayer>, public EventTargetWithInlineData { |
| REFCOUNTED_EVENT_TARGET(AnimationPlayer); |
| public: |
| |
| ~AnimationPlayer(); |
| static PassRefPtr<AnimationPlayer> create(DocumentTimeline&, TimedItem*); |
| |
| // Returns whether the player is finished. |
| bool update(TimingUpdateReason); |
| |
| // timeToEffectChange returns: |
| // infinity - if this player is no longer in effect |
| // 0 - if this player requires an update on the next frame |
| // n - if this player requires an update after 'n' units of time |
| double timeToEffectChange(); |
| |
| void cancel(); |
| |
| double currentTime(); |
| void setCurrentTime(double newCurrentTime); |
| |
| double currentTimeInternal(); |
| void setCurrentTimeInternal(double newCurrentTime); |
| |
| bool paused() const { return m_paused && !m_isPausedForTesting; } |
| void pause(); |
| void play(); |
| void reverse(); |
| void finish(ExceptionState&); |
| bool finished() { return limited(currentTimeInternal()); } |
| // FIXME: Resolve whether finished() should just return the flag, and |
| // remove this method. |
| bool finishedInternal() const { return m_finished; } |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(finish); |
| |
| virtual const AtomicString& interfaceName() const OVERRIDE; |
| virtual ExecutionContext* executionContext() const OVERRIDE; |
| |
| double playbackRate() const { return m_playbackRate; } |
| void setPlaybackRate(double); |
| const DocumentTimeline* timeline() const { return m_timeline; } |
| DocumentTimeline* timeline() { return m_timeline; } |
| |
| void timelineDestroyed() { m_timeline = 0; } |
| |
| bool hasStartTime() const { return !isNull(m_startTime); } |
| double startTime() const { return m_startTime * 1000; } |
| double startTimeInternal() const { return m_startTime; } |
| void setStartTime(double startTime) { setStartTimeInternal(startTime / 1000); } |
| void setStartTimeInternal(double, bool isUpdateFromCompositor = false); |
| |
| const TimedItem* source() const { return m_content.get(); } |
| TimedItem* source() { return m_content.get(); } |
| TimedItem* source(bool& isNull) { isNull = !m_content; return m_content.get(); } |
| void setSource(TimedItem*); |
| |
| double timeLag() { return timeLagInternal() * 1000; } |
| double timeLagInternal() { return currentTimeWithoutLag() - currentTimeInternal(); } |
| |
| // Pausing via this method is not reflected in the value returned by |
| // paused() and must never overlap with pausing via pause(). |
| void pauseForTesting(double pauseTime); |
| // This should only be used for CSS |
| void unpause(); |
| |
| void setOutdated(); |
| bool outdated() { return m_outdated; } |
| |
| bool canStartAnimationOnCompositor(); |
| bool maybeStartAnimationOnCompositor(); |
| void cancelAnimationOnCompositor(); |
| void schedulePendingAnimationOnCompositor(); |
| bool hasActiveAnimationsOnCompositor(); |
| |
| class SortInfo { |
| public: |
| friend class AnimationPlayer; |
| bool operator<(const SortInfo& other) const; |
| double startTime() const { return m_startTime; } |
| private: |
| SortInfo(unsigned sequenceNumber, double startTime) |
| : m_sequenceNumber(sequenceNumber) |
| , m_startTime(startTime) |
| { } |
| unsigned m_sequenceNumber; |
| double m_startTime; |
| }; |
| |
| const SortInfo& sortInfo() const { return m_sortInfo; } |
| |
| static bool hasLowerPriority(AnimationPlayer* player1, AnimationPlayer* player2) |
| { |
| return player1->sortInfo() < player2->sortInfo(); |
| } |
| |
| // Checks if the AnimationStack is the last reference holder to the Player. |
| // This won't be needed when AnimationPlayer is moved to Oilpan. |
| bool canFree() const; |
| |
| virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) OVERRIDE; |
| |
| private: |
| AnimationPlayer(DocumentTimeline&, TimedItem*); |
| double sourceEnd() const; |
| bool limited(double currentTime) const; |
| double currentTimeWithoutLag() const; |
| double currentTimeWithLag() const; |
| void updateTimingState(double newCurrentTime); |
| void updateCurrentTimingState(); |
| |
| double m_playbackRate; |
| double m_startTime; |
| double m_holdTime; |
| double m_storedTimeLag; |
| |
| SortInfo m_sortInfo; |
| |
| RefPtr<TimedItem> m_content; |
| // FIXME: We should keep the timeline alive and have this as non-null |
| // but this is tricky to do without Oilpan |
| DocumentTimeline* m_timeline; |
| // Reflects all pausing, including via pauseForTesting(). |
| bool m_paused; |
| bool m_held; |
| bool m_isPausedForTesting; |
| |
| // This indicates timing information relevant to the player has changed by |
| // means other than the ordinary progression of time |
| bool m_outdated; |
| |
| bool m_finished; |
| }; |
| |
| } // namespace |
| |
| #endif |